![]() Yesterday I was investigating the encryption used by one open source tool written in C, and two things looked strange: they were using a 192 bit key for AES 256, and they were using a 64-bit IV (initialization vector) instead of the required 128 bits (in fact, it was even a 56-bit IV).īut somehow, magically, OpenSSL didn't complain the way my Java implementation did, and encryption worked. While in Java we are used to the native Java implementations of cryptographic primitives, most other languages rely on OpenSSL. OpenSSL is an omnipresent tool when it comes to encryption.
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